27555484960 has 96 divisors (see below), whose sum is σ = 69155856000. Its totient is φ = 10339725312.

The previous prime is 27555484927. The next prime is 27555484987. The reversal of 27555484960 is 6948455572.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 818541 + ... + 851539.

It is an arithmetic number, because the mean of its divisors is an integer number (720373500).

Almost surely, 2^27555484960 is an apocalyptic number.

27555484960 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 27555484960, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (34577928000).

27555484960 is an abundant number, since it is smaller than the sum of its proper divisors (41600371040).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

27555484960 is a wasteful number, since it uses less digits than its factorization.

27555484960 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33338 (or 33330 counting only the distinct ones).

The product of its (nonzero) digits is 12096000, while the sum is 55.

The spelling of 27555484960 in words is "twenty-seven billion, five hundred fifty-five million, four hundred eighty-four thousand, nine hundred sixty".